supercop.ts

cross-compiled javascript implementation of ed25519 based on supercop-ref10
git clone git://git.finwo.net/lib/supercop.ts
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commit 7f1e177078a26d7ac6d5fc0f887d4c3ea33b67f6
parent 8354998d3fe334baef380b82396ecf46f8c1fa91
Author: finwo <finwo@pm.me>
Date:   Wed, 17 Jun 2020 17:11:34 +0200

Keep instantiate compatible with older nodejs versions

Diffstat:

Mindex.js | 8++++++--


1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/index.js b/index.js
@@ -5,9 +5,13 @@ async function instantiateModule() {
   if (Module) return;
 
   const memory  = new WebAssembly.Memory({initial: 2});
-  const sp      = new WebAssembly.Global({value: 'i32', mutable: true});
+  const imports = {env:{memory}};
+
+  if ('function' === WebAssembly.Global) {
+    imports.env.__stack_pointer = new WebAssembly.Global({value: 'i32', mutable: true});
+  }
+
   const bytes   = require('./supercop.wasm.js');
-  const imports = {env:{memory,__stack_pointer:sp}};
   const program = await WebAssembly.instantiate(bytes, imports);
 
   Module       = {